This page explains how Sagar Arun (USATT# 79386)'s rating went from 2135 to 2131 at the ICC - Advanced League event from 11 Sep 2012. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.